China Professional Glt Double Diaphragm Rigid Rigid Shaft Coupling From Changzhou CHINAMFG

Product Description

GLT Double Diaphragm Rigid rigid Shaft Coupling from HangZhou Suma

Description of GLT Double Diaphragm Rigid rigid Shaft Coupling from HangZhou Suma
>High torque rigidity, can accurately control the rotation of the shaft, can carry out high-precision control
>Designed for servo and stepping motor
>No gap between the shaft and sleeve connection, general for positive and negative rotation
>Low inertia, suitable for high speed operation
>The diaphragm is made of spring steel with excellent fatigue resistance

 

Catalogue of GLT Double Diaphragm Rigid rigid Shaft Coupling from HangZhou Suma

 

 

model parameter

common bore diameter d1,d2

ΦD

ΦN

L

LF

d3

LP

S

tightening screw torque
(N.M)

GLT-34×37.5

5,6,6.35,7,8,9,9.525,10,11,12,

34

21.6

37.5

12.15

Φ16

6.8

3.2

1.5

GLT-39×48

6,8,9,9.525,10,11,12,12.7,14,15

39

25

48

15.15

Φ19

9.3

4.5

2.5

GLT-44×48

6,8,9,9.525,10,11,12,12.7,14,15,16,17,18

44

29.6

48

15.15

Φ22.5

9.3

4.2

2.5

GLT-56×61

10,12,12.7,14,15,16,17,18,19,20,22,24

56

38

61

19.9

Φ32.5

10.8

5.2

7

GLT-68×74

14,15,16,17,18,19,20,22,24,25,28,30

68

46

74

24

Φ38.3

14

6

12

GLT-82×98

17,18,19,20,22,24,25,28,30,32,35,38

82

56

98

30.15

Φ45

22.3

7.7

20

model parameter

Rated torque(N.m)

allowable eccentricity

(mm)

allowable deflection angle

(°)

allowable axial deviation

(mm)

maximum speed

(rpm)

static torsional stiffness

(N.M/rad)

weight

(g)

GLT-34×37.5

2

0.12

1.5

±0.18

10000

2200

49

GLT-39×48

4.5

0.15

1.5

±0.23

10000

4500

85

GLT-44×48

6.75

0.17

1.5

±0.27

10000

5500

107

GLT-56×61

20

0.17

1.5

±0.36

10000

11000

196

GLT-68×74

50

0.18

1.5

±0.4

9000

23000

375

GLT-82×98

90

0.18

1.5

±0.5

8000

38000

645

 

 

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rigid shaft coupling

What are the potential drawbacks or limitations of using rigid shaft couplings in certain applications?

Rigid shaft couplings, while offering benefits in certain scenarios, also have limitations that should be considered when selecting them for specific applications:

  • Minimal Misalignment Compensation: Rigid couplings have limited ability to compensate for shaft misalignment, making them less suitable for applications with significant misalignment.
  • Transmits Vibrations: Rigid couplings do not dampen vibrations, which can lead to increased wear and fatigue in connected components and decrease overall system lifespan.
  • Higher Stress Concentration: Due to their rigid nature, these couplings can result in higher stress concentrations at the coupling ends, potentially leading to premature failure.
  • Noisy Operation: Rigid couplings can amplify noise generated by connected equipment, contributing to a noisier operating environment.
  • Requires Precise Alignment: Proper alignment during installation is crucial to prevent excessive loads on equipment and ensure reliable operation.
  • Less Torsional Damping: Rigid couplings lack the torsional damping capabilities of some other coupling types, which may be necessary in systems with varying loads.
  • Less Forgiving: Rigid couplings can transmit shocks and impacts directly to connected equipment, which may not be suitable for applications with frequent starts, stops, or heavy loads.

It’s important to carefully assess the specific requirements of an application and consider factors such as misalignment, vibration, torque transmission, and environmental conditions when deciding whether to use a rigid shaft coupling. In cases where the limitations of rigid couplings may pose challenges, other coupling types such as flexible, torsionally soft, or damping couplings could be more appropriate alternatives.

rigid shaft coupling

How do rigid shaft couplings compare to flexible couplings in terms of torque transmission and misalignment handling?

Rigid shaft couplings and flexible couplings differ in their ability to handle torque transmission and misalignment. Here’s a comparison of these aspects:

  • Torque Transmission: Rigid shaft couplings offer excellent torque transmission due to their solid construction. They efficiently transmit high torque loads without significant power loss. Flexible couplings, on the other hand, may have some inherent power loss due to their flexibility.
  • Misalignment Handling: Flexible couplings excel in compensating for misalignment between shafts. They can accommodate angular, parallel, and axial misalignments, reducing stress on connected equipment. Rigid couplings are limited in their misalignment compensation, primarily handling minimal misalignments. Significant misalignment can lead to increased wear and premature failure.

The choice between rigid and flexible couplings depends on the specific requirements of the application. If precise torque transmission and minimal misalignment are priorities, rigid couplings may be suitable. However, if misalignment compensation and vibration dampening are crucial, flexible couplings are a better option.

rigid shaft coupling

Can Rigid Shaft Couplings Handle Misalignment Between Shafts Effectively?

Rigid shaft couplings are not designed to accommodate misalignment between shafts effectively. Unlike flexible couplings, which can bend or flex to some degree to compensate for misalignment, rigid couplings are inflexible and require precise alignment for proper operation.

When using rigid shaft couplings, it is crucial to ensure that the two shafts being connected are aligned with high accuracy. Misalignment between the shafts can lead to various issues, including:

  • Vibrations: Misalignment can cause vibrations and increase stress on the coupling and connected machinery, leading to premature wear and reduced performance.
  • Increased Stress: Misalignment results in additional stress on the shafts and coupling, which may lead to fatigue failure over time.
  • Reduced Efficiency: Misalignment can result in power loss and reduced overall system efficiency.
  • Noise: Misalignment may generate noise during operation, leading to potential discomfort for operators and additional wear on components.

To ensure the effective functioning of rigid shaft couplings, it is crucial to align the shafts accurately during installation. The alignment process typically involves using precision tools and techniques to achieve the desired alignment tolerances.

For applications where misalignment is expected or unavoidable, flexible couplings such as beam couplings or jaw couplings may be more suitable as they can accommodate slight misalignments and reduce the transmission of shock and vibration between shafts.

Overall, rigid shaft couplings are best suited for applications where precise shaft alignment is feasible and necessary for optimal performance. Proper alignment and regular maintenance are essential to maximize the life and efficiency of rigid couplings in mechanical systems.

China Professional Glt Double Diaphragm Rigid Rigid Shaft Coupling From Changzhou CHINAMFG  China Professional Glt Double Diaphragm Rigid Rigid Shaft Coupling From Changzhou CHINAMFG
editor by CX 2024-04-13

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